There is a patchwork of minimum wages across the U.S.

Dec 23, 2016
Congress hasn’t raised the federal minimum wage since 2009, but many states and localities have.
California Governor Jerry Brown signs the bill that will raise the state's minimum wage to $15 an hour by 2022 while surrounded by supporters and politicians on stage at the Ronald Reagan State Building in downtown Los Angeles, California on April 4, 2016. 
FREDERIC J. BROWN/AFP/Getty Images